./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bf654a6a1eca45ac77a809162568fb8018795c05fa9eb6946186269d2e2c9c25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:58:37,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:58:37,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 06:58:37,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:58:37,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:58:37,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:58:37,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:58:37,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:58:37,528 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:58:37,529 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:58:37,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:58:37,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:58:37,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:58:37,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:58:37,532 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:58:37,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:58:37,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:58:37,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:58:37,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:58:37,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:58:37,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:58:37,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:58:37,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:58:37,537 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:58:37,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:58:37,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:58:37,538 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:58:37,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:58:37,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:58:37,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:58:37,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:58:37,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:58:37,541 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:58:37,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:58:37,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:58:37,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:58:37,542 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:58:37,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:58:37,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:58:37,542 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf654a6a1eca45ac77a809162568fb8018795c05fa9eb6946186269d2e2c9c25 [2023-11-29 06:58:37,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:58:37,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:58:37,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:58:37,774 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:58:37,774 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:58:37,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-29 06:58:40,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:58:40,999 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:58:41,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-29 06:58:41,041 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya/data/3cf91ba66/ffdc4703fc464f8489c2b24409967fe7/FLAGf5b267b3e [2023-11-29 06:58:41,055 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya/data/3cf91ba66/ffdc4703fc464f8489c2b24409967fe7 [2023-11-29 06:58:41,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:58:41,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:58:41,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:58:41,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:58:41,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:58:41,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:58:41" (1/1) ... [2023-11-29 06:58:41,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d90fbf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:41, skipping insertion in model container [2023-11-29 06:58:41,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:58:41" (1/1) ... [2023-11-29 06:58:41,218 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:58:43,593 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[323188,323201] [2023-11-29 06:58:43,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:58:43,933 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:58:44,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3943] [2023-11-29 06:58:44,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3945] [2023-11-29 06:58:44,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3955] [2023-11-29 06:58:44,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3999-4000] [2023-11-29 06:58:44,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [4011-4012] [2023-11-29 06:58:44,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4015-4016] [2023-11-29 06:58:44,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4019-4020] [2023-11-29 06:58:44,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4023-4024] [2023-11-29 06:58:44,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [8320] [2023-11-29 06:58:44,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8327] [2023-11-29 06:58:44,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [8336-8337] [2023-11-29 06:58:44,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [8353-8354] [2023-11-29 06:58:44,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [8368-8369] [2023-11-29 06:58:44,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [8383] [2023-11-29 06:58:44,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8386] [2023-11-29 06:58:44,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8389] [2023-11-29 06:58:44,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8392] [2023-11-29 06:58:44,441 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[323188,323201] [2023-11-29 06:58:44,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:58:44,687 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:58:44,687 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:58:44,687 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:58:44,693 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:58:44,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44 WrapperNode [2023-11-29 06:58:44,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:58:44,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:58:44,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:58:44,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:58:44,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44" (1/1) ... [2023-11-29 06:58:44,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44" (1/1) ... [2023-11-29 06:58:45,035 INFO L138 Inliner]: procedures = 481, calls = 4190, calls flagged for inlining = 214, calls inlined = 207, statements flattened = 8384 [2023-11-29 06:58:45,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:58:45,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:58:45,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:58:45,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:58:45,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44" (1/1) ... [2023-11-29 06:58:45,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44" (1/1) ... [2023-11-29 06:58:45,085 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44" (1/1) ... [2023-11-29 06:58:47,327 INFO L175 MemorySlicer]: Split 2362 memory accesses to 27 slices as follows [70, 669, 67, 2, 23, 280, 34, 26, 67, 2, 3, 997, 2, 26, 2, 4, 1, 2, 26, 4, 22, 3, 18, 2, 2, 7, 1]. 42 percent of accesses are in the largest equivalence class. The 1135 initializations are split as follows [0, 669, 67, 0, 0, 0, 34, 0, 67, 0, 0, 281, 2, 0, 0, 4, 0, 0, 0, 4, 0, 0, 0, 0, 0, 7, 0]. The 542 writes are split as follows [60, 0, 0, 1, 2, 240, 0, 22, 0, 1, 1, 170, 0, 11, 1, 0, 0, 1, 0, 0, 11, 2, 16, 1, 1, 0, 1]. [2023-11-29 06:58:47,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44" (1/1) ... [2023-11-29 06:58:47,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44" (1/1) ... [2023-11-29 06:58:47,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44" (1/1) ... [2023-11-29 06:58:47,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44" (1/1) ... [2023-11-29 06:58:47,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44" (1/1) ... [2023-11-29 06:58:47,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44" (1/1) ... [2023-11-29 06:58:47,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:58:47,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:58:47,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:58:47,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:58:47,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44" (1/1) ... [2023-11-29 06:58:47,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:58:47,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:58:47,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:58:47,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe14499-b819-4136-adbb-1ae5cd2ca127/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:58:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2023-11-29 06:58:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2023-11-29 06:58:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2023-11-29 06:58:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2023-11-29 06:58:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-29 06:58:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-29 06:58:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-29 06:58:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-29 06:58:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-29 06:58:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-29 06:58:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2023-11-29 06:58:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2023-11-29 06:58:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2023-11-29 06:58:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2023-11-29 06:58:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-29 06:58:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-29 06:58:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2023-11-29 06:58:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2023-11-29 06:58:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 06:58:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 06:58:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-11-29 06:58:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-11-29 06:58:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2023-11-29 06:58:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2023-11-29 06:58:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2023-11-29 06:58:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2023-11-29 06:58:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2023-11-29 06:58:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2023-11-29 06:58:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-29 06:58:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-29 06:58:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-29 06:58:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-29 06:58:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2023-11-29 06:58:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2023-11-29 06:58:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2023-11-29 06:58:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2023-11-29 06:58:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-29 06:58:47,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-29 06:58:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2023-11-29 06:58:47,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2023-11-29 06:58:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-29 06:58:47,736 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-29 06:58:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2023-11-29 06:58:47,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2023-11-29 06:58:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2023-11-29 06:58:47,737 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2023-11-29 06:58:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2023-11-29 06:58:47,737 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2023-11-29 06:58:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2023-11-29 06:58:47,738 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2023-11-29 06:58:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-29 06:58:47,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-29 06:58:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-29 06:58:47,738 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-29 06:58:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-29 06:58:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2023-11-29 06:58:47,739 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2023-11-29 06:58:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2023-11-29 06:58:47,739 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2023-11-29 06:58:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-29 06:58:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2023-11-29 06:58:47,740 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2023-11-29 06:58:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-29 06:58:47,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-29 06:58:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-29 06:58:47,740 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-29 06:58:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2023-11-29 06:58:47,740 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2023-11-29 06:58:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:58:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-29 06:58:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-29 06:58:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-29 06:58:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-29 06:58:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2023-11-29 06:58:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2023-11-29 06:58:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-29 06:58:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-29 06:58:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2023-11-29 06:58:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2023-11-29 06:58:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-11-29 06:58:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-11-29 06:58:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-29 06:58:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-29 06:58:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 06:58:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 06:58:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 06:58:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 06:58:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 06:58:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 06:58:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 06:58:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 06:58:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 06:58:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 06:58:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 06:58:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 06:58:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 06:58:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 06:58:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-29 06:58:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-29 06:58:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-29 06:58:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-29 06:58:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-29 06:58:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-29 06:58:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-29 06:58:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-29 06:58:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2023-11-29 06:58:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2023-11-29 06:58:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2023-11-29 06:58:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2023-11-29 06:58:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2023-11-29 06:58:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-11-29 06:58:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2023-11-29 06:58:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-29 06:58:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-29 06:58:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 06:58:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 06:58:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 06:58:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 06:58:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 06:58:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 06:58:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 06:58:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 06:58:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 06:58:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 06:58:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 06:58:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 06:58:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 06:58:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 06:58:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 06:58:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 06:58:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-29 06:58:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-29 06:58:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-29 06:58:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-29 06:58:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-29 06:58:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-29 06:58:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2023-11-29 06:58:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2023-11-29 06:58:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2023-11-29 06:58:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2023-11-29 06:58:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2023-11-29 06:58:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-29 06:58:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-29 06:58:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2023-11-29 06:58:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2023-11-29 06:58:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2023-11-29 06:58:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2023-11-29 06:58:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-29 06:58:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-29 06:58:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:58:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:58:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:58:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 06:58:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 06:58:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 06:58:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 06:58:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 06:58:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 06:58:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 06:58:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 06:58:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 06:58:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 06:58:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 06:58:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 06:58:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 06:58:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 06:58:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 06:58:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 06:58:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 06:58:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 06:58:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 06:58:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-29 06:58:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-29 06:58:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-29 06:58:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-29 06:58:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-29 06:58:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-29 06:58:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-29 06:58:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2023-11-29 06:58:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2023-11-29 06:58:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-29 06:58:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-29 06:58:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-29 06:58:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-29 06:58:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-29 06:58:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-29 06:58:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-29 06:58:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-29 06:58:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-29 06:58:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-29 06:58:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 06:58:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:58:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 06:58:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 06:58:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 06:58:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 06:58:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 06:58:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 06:58:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 06:58:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 06:58:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 06:58:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 06:58:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 06:58:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 06:58:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 06:58:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 06:58:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 06:58:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 06:58:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 06:58:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 06:58:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 06:58:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 06:58:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 06:58:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 06:58:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 06:58:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-29 06:58:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-29 06:58:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-29 06:58:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-29 06:58:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-29 06:58:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 06:58:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 06:58:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-29 06:58:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-29 06:58:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-11-29 06:58:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-11-29 06:58:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-29 06:58:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-29 06:58:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2023-11-29 06:58:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2023-11-29 06:58:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-29 06:58:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-29 06:58:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2023-11-29 06:58:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2023-11-29 06:58:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-29 06:58:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-29 06:58:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:58:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:58:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-11-29 06:58:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-11-29 06:58:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-29 06:58:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-29 06:58:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2023-11-29 06:58:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2023-11-29 06:58:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2023-11-29 06:58:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2023-11-29 06:58:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-29 06:58:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-29 06:58:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-29 06:58:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-29 06:58:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-29 06:58:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-29 06:58:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-11-29 06:58:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-11-29 06:58:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 06:58:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 06:58:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 06:58:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 06:58:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 06:58:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 06:58:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 06:58:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 06:58:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 06:58:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 06:58:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 06:58:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 06:58:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 06:58:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 06:58:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 06:58:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 06:58:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 06:58:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 06:58:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 06:58:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-29 06:58:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-29 06:58:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-29 06:58:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-29 06:58:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-29 06:58:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2023-11-29 06:58:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2023-11-29 06:58:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2023-11-29 06:58:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 06:58:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 06:58:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 06:58:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 06:58:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 06:58:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 06:58:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 06:58:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 06:58:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 06:58:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 06:58:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 06:58:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 06:58:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 06:58:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 06:58:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 06:58:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 06:58:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 06:58:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 06:58:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 06:58:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-29 06:58:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-29 06:58:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-29 06:58:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-29 06:58:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-29 06:58:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2023-11-29 06:58:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2023-11-29 06:58:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2023-11-29 06:58:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 06:58:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 06:58:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2023-11-29 06:58:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2023-11-29 06:58:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2023-11-29 06:58:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2023-11-29 06:58:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-29 06:58:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-29 06:58:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-29 06:58:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-29 06:58:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-29 06:58:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-29 06:58:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-29 06:58:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-29 06:58:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-29 06:58:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-29 06:58:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2023-11-29 06:58:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2023-11-29 06:58:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2023-11-29 06:58:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2023-11-29 06:58:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2023-11-29 06:58:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2023-11-29 06:58:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-11-29 06:58:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-11-29 06:58:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:58:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:58:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2023-11-29 06:58:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2023-11-29 06:58:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2023-11-29 06:58:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2023-11-29 06:58:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-29 06:58:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-29 06:58:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-11-29 06:58:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-11-29 06:58:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:58:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-29 06:58:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-29 06:58:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2023-11-29 06:58:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2023-11-29 06:58:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2023-11-29 06:58:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2023-11-29 06:58:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-29 06:58:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-29 06:58:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 06:58:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 06:58:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 06:58:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 06:58:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 06:58:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 06:58:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 06:58:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 06:58:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 06:58:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 06:58:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 06:58:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 06:58:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 06:58:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 06:58:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 06:58:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 06:58:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 06:58:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 06:58:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 06:58:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 06:58:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 06:58:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 06:58:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 06:58:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-29 06:58:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-29 06:58:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-29 06:58:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-29 06:58:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-29 06:58:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-29 06:58:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2023-11-29 06:58:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2023-11-29 06:58:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 06:58:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 06:58:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 06:58:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 06:58:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 06:58:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 06:58:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 06:58:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 06:58:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 06:58:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 06:58:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 06:58:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 06:58:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 06:58:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 06:58:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 06:58:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 06:58:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 06:58:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 06:58:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 06:58:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 06:58:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 06:58:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 06:58:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 06:58:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-29 06:58:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-29 06:58:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-29 06:58:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-29 06:58:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-29 06:58:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-29 06:58:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-29 06:58:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-29 06:58:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-11-29 06:58:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-11-29 06:58:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-29 06:58:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-29 06:58:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-11-29 06:58:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-11-29 06:58:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-29 06:58:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-29 06:58:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2023-11-29 06:58:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2023-11-29 06:58:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-29 06:58:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-29 06:58:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-29 06:58:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-29 06:58:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2023-11-29 06:58:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2023-11-29 06:58:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2023-11-29 06:58:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2023-11-29 06:58:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-29 06:58:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-29 06:58:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-29 06:58:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-29 06:58:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2023-11-29 06:58:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2023-11-29 06:58:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2023-11-29 06:58:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2023-11-29 06:58:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-11-29 06:58:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-11-29 06:58:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-29 06:58:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-29 06:58:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2023-11-29 06:58:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2023-11-29 06:58:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-29 06:58:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-29 06:58:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2023-11-29 06:58:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2023-11-29 06:58:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2023-11-29 06:58:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2023-11-29 06:58:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-29 06:58:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-29 06:58:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-29 06:58:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-29 06:58:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-29 06:58:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-29 06:58:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:58:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:58:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:58:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 06:58:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 06:58:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 06:58:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 06:58:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 06:58:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 06:58:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 06:58:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 06:58:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 06:58:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 06:58:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 06:58:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 06:58:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 06:58:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 06:58:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 06:58:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 06:58:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 06:58:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 06:58:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 06:58:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-29 06:58:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-29 06:58:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-29 06:58:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-29 06:58:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-29 06:58:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2023-11-29 06:58:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2023-11-29 06:58:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2023-11-29 06:58:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2023-11-29 06:58:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-29 06:58:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-29 06:58:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-29 06:58:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-29 06:58:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 06:58:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 06:58:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-11-29 06:58:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2023-11-29 06:58:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2023-11-29 06:58:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2023-11-29 06:58:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2023-11-29 06:58:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2023-11-29 06:58:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2023-11-29 06:58:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2023-11-29 06:58:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-29 06:58:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-29 06:58:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2023-11-29 06:58:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2023-11-29 06:58:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2023-11-29 06:58:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2023-11-29 06:58:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2023-11-29 06:58:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2023-11-29 06:58:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2023-11-29 06:58:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2023-11-29 06:58:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-29 06:58:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-29 06:58:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2023-11-29 06:58:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2023-11-29 06:58:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2023-11-29 06:58:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2023-11-29 06:58:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2023-11-29 06:58:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2023-11-29 06:58:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-29 06:58:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-29 06:58:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-29 06:58:47,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-29 06:58:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-29 06:58:47,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-29 06:58:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2023-11-29 06:58:47,813 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2023-11-29 06:58:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:58:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:58:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:58:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 06:58:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 06:58:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 06:58:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 06:58:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 06:58:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 06:58:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 06:58:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 06:58:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 06:58:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 06:58:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 06:58:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 06:58:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 06:58:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 06:58:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 06:58:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 06:58:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 06:58:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 06:58:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 06:58:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-29 06:58:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-29 06:58:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-29 06:58:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-29 06:58:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-29 06:58:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-29 06:58:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-29 06:58:48,869 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:58:48,874 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:58:59,143 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 06:59:01,842 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:59:02,181 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:59:02,181 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 06:59:02,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:59:02 BoogieIcfgContainer [2023-11-29 06:59:02,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:59:02,186 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:59:02,186 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:59:02,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:59:02,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:58:41" (1/3) ... [2023-11-29 06:59:02,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f48c001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:59:02, skipping insertion in model container [2023-11-29 06:59:02,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:44" (2/3) ... [2023-11-29 06:59:02,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f48c001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:59:02, skipping insertion in model container [2023-11-29 06:59:02,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:59:02" (3/3) ... [2023-11-29 06:59:02,192 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-29 06:59:02,212 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:59:02,212 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:59:02,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:59:02,316 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@788416ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:59:02,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:59:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 2304 states, 1528 states have (on average 1.393979057591623) internal successors, (2130), 1569 states have internal predecessors, (2130), 636 states have call successors, (636), 139 states have call predecessors, (636), 138 states have return successors, (625), 612 states have call predecessors, (625), 625 states have call successors, (625) [2023-11-29 06:59:02,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-29 06:59:02,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:59:02,352 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:59:02,353 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:59:02,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:59:02,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1047277226, now seen corresponding path program 1 times [2023-11-29 06:59:02,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:59:02,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971903984] [2023-11-29 06:59:02,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:59:02,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:59:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:59:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:59:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:59:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:59:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:59:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:59:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:59:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:59:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 06:59:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 06:59:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:03,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 06:59:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:04,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 06:59:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 06:59:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 06:59:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 06:59:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 06:59:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:04,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 06:59:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:04,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 06:59:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:04,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 06:59:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 06:59:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 06:59:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:04,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 06:59:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:04,199 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2023-11-29 06:59:04,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:59:04,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971903984] [2023-11-29 06:59:04,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971903984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:59:04,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:59:04,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:59:04,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228762892] [2023-11-29 06:59:04,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:59:04,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:59:04,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:59:04,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:59:04,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:59:04,242 INFO L87 Difference]: Start difference. First operand has 2304 states, 1528 states have (on average 1.393979057591623) internal successors, (2130), 1569 states have internal predecessors, (2130), 636 states have call successors, (636), 139 states have call predecessors, (636), 138 states have return successors, (625), 612 states have call predecessors, (625), 625 states have call successors, (625) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 06:59:05,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:59:09,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:59:11,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:59:15,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:59:21,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:59:25,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:59:29,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:59:33,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:59:46,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:59:46,964 INFO L93 Difference]: Finished difference Result 5116 states and 7862 transitions. [2023-11-29 06:59:46,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:59:46,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 229 [2023-11-29 06:59:46,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:59:46,997 INFO L225 Difference]: With dead ends: 5116 [2023-11-29 06:59:46,997 INFO L226 Difference]: Without dead ends: 2800 [2023-11-29 06:59:47,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:59:47,020 INFO L413 NwaCegarLoop]: 901 mSDtfsCounter, 3913 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 4909 mSolverCounterSat, 2979 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 2019 SdHoareTripleChecker+Invalid, 7894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2979 IncrementalHoareTripleChecker+Valid, 4909 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:59:47,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4123 Valid, 2019 Invalid, 7894 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2979 Valid, 4909 Invalid, 6 Unknown, 0 Unchecked, 42.1s Time] [2023-11-29 06:59:47,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2800 states. [2023-11-29 06:59:47,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2800 to 2289. [2023-11-29 06:59:47,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2289 states, 1526 states have (on average 1.3826998689384011) internal successors, (2110), 1554 states have internal predecessors, (2110), 625 states have call successors, (625), 138 states have call predecessors, (625), 137 states have return successors, (616), 603 states have call predecessors, (616), 616 states have call successors, (616) [2023-11-29 06:59:47,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 3351 transitions. [2023-11-29 06:59:47,266 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 3351 transitions. Word has length 229 [2023-11-29 06:59:47,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:59:47,266 INFO L495 AbstractCegarLoop]: Abstraction has 2289 states and 3351 transitions. [2023-11-29 06:59:47,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 06:59:47,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3351 transitions. [2023-11-29 06:59:47,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-29 06:59:47,273 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:59:47,274 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:59:47,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:59:47,275 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:59:47,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:59:47,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1286841600, now seen corresponding path program 1 times [2023-11-29 06:59:47,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:59:47,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351871100] [2023-11-29 06:59:47,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:59:47,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:59:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:59:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:59:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:59:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:59:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:59:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:59:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:59:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:59:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 06:59:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 06:59:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:59:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:59:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 06:59:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 06:59:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 06:59:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 06:59:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 06:59:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 06:59:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 06:59:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 06:59:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 06:59:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 06:59:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 06:59:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 06:59:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:48,597 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2023-11-29 06:59:48,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:59:48,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351871100] [2023-11-29 06:59:48,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351871100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:59:48,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:59:48,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:59:48,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932469838] [2023-11-29 06:59:48,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:59:48,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:59:48,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:59:48,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:59:48,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:59:48,602 INFO L87 Difference]: Start difference. First operand 2289 states and 3351 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 06:59:52,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:59:56,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:03,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:07,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:11,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:15,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:36,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:40,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:44,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:48,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:52,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:58,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:58,476 INFO L93 Difference]: Finished difference Result 7742 states and 11691 transitions. [2023-11-29 07:00:58,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:00:58,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 229 [2023-11-29 07:00:58,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:58,529 INFO L225 Difference]: With dead ends: 7742 [2023-11-29 07:00:58,529 INFO L226 Difference]: Without dead ends: 5500 [2023-11-29 07:00:58,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:00:58,543 INFO L413 NwaCegarLoop]: 887 mSDtfsCounter, 10081 mSDsluCounter, 1755 mSDsCounter, 0 mSdLazyCounter, 7784 mSolverCounterSat, 7291 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10460 SdHoareTripleChecker+Valid, 2642 SdHoareTripleChecker+Invalid, 15086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7291 IncrementalHoareTripleChecker+Valid, 7784 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:58,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10460 Valid, 2642 Invalid, 15086 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7291 Valid, 7784 Invalid, 11 Unknown, 0 Unchecked, 69.1s Time] [2023-11-29 07:00:58,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5500 states. [2023-11-29 07:00:58,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5500 to 5012. [2023-11-29 07:00:58,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5012 states, 3370 states have (on average 1.3771513353115727) internal successors, (4641), 3419 states have internal predecessors, (4641), 1326 states have call successors, (1326), 275 states have call predecessors, (1326), 315 states have return successors, (1536), 1331 states have call predecessors, (1536), 1317 states have call successors, (1536) [2023-11-29 07:00:58,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5012 states to 5012 states and 7503 transitions. [2023-11-29 07:00:58,915 INFO L78 Accepts]: Start accepts. Automaton has 5012 states and 7503 transitions. Word has length 229 [2023-11-29 07:00:58,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:58,917 INFO L495 AbstractCegarLoop]: Abstraction has 5012 states and 7503 transitions. [2023-11-29 07:00:58,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 07:00:58,917 INFO L276 IsEmpty]: Start isEmpty. Operand 5012 states and 7503 transitions. [2023-11-29 07:00:58,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-29 07:00:58,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:58,924 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:00:58,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 07:00:58,924 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:00:58,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:58,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1828124828, now seen corresponding path program 1 times [2023-11-29 07:00:58,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:58,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151437747] [2023-11-29 07:00:58,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:58,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:00:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:00:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:00:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:00:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 07:00:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 07:00:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:00:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:00:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 07:00:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 07:00:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 07:00:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 07:00:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 07:00:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 07:00:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 07:00:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 07:00:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 07:00:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 07:00:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 07:00:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 07:00:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 07:00:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 07:00:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:59,832 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2023-11-29 07:00:59,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:59,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151437747] [2023-11-29 07:00:59,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151437747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:59,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:59,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:00:59,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339810658] [2023-11-29 07:00:59,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:59,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:00:59,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:59,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:00:59,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:00:59,835 INFO L87 Difference]: Start difference. First operand 5012 states and 7503 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 07:01:01,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:05,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:09,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:14,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:18,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:22,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:26,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:49,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:53,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:57,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:01,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:05,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:10,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:02:10,979 INFO L93 Difference]: Finished difference Result 15273 states and 23130 transitions. [2023-11-29 07:02:10,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:02:10,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 236 [2023-11-29 07:02:10,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:02:11,062 INFO L225 Difference]: With dead ends: 15273 [2023-11-29 07:02:11,063 INFO L226 Difference]: Without dead ends: 10308 [2023-11-29 07:02:11,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:02:11,094 INFO L413 NwaCegarLoop]: 879 mSDtfsCounter, 8609 mSDsluCounter, 2219 mSDsCounter, 0 mSdLazyCounter, 8499 mSolverCounterSat, 5444 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8975 SdHoareTripleChecker+Valid, 3098 SdHoareTripleChecker+Invalid, 13954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5444 IncrementalHoareTripleChecker+Valid, 8499 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:02:11,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8975 Valid, 3098 Invalid, 13954 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5444 Valid, 8499 Invalid, 11 Unknown, 0 Unchecked, 70.3s Time] [2023-11-29 07:02:11,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10308 states. [2023-11-29 07:02:11,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10308 to 9399. [2023-11-29 07:02:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9399 states, 6299 states have (on average 1.3724400698523576) internal successors, (8645), 6390 states have internal predecessors, (8645), 2485 states have call successors, (2485), 533 states have call predecessors, (2485), 614 states have return successors, (2870), 2502 states have call predecessors, (2870), 2476 states have call successors, (2870) [2023-11-29 07:02:11,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9399 states to 9399 states and 14000 transitions. [2023-11-29 07:02:11,770 INFO L78 Accepts]: Start accepts. Automaton has 9399 states and 14000 transitions. Word has length 236 [2023-11-29 07:02:11,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:02:11,772 INFO L495 AbstractCegarLoop]: Abstraction has 9399 states and 14000 transitions. [2023-11-29 07:02:11,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 07:02:11,772 INFO L276 IsEmpty]: Start isEmpty. Operand 9399 states and 14000 transitions. [2023-11-29 07:02:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-29 07:02:11,776 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:02:11,776 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:02:11,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 07:02:11,777 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:02:11,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:11,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1849699140, now seen corresponding path program 1 times [2023-11-29 07:02:11,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:11,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493455768] [2023-11-29 07:02:11,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:11,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:02:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:02:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:02:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:02:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 07:02:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 07:02:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:02:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:02:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 07:02:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 07:02:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 07:02:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 07:02:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 07:02:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 07:02:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 07:02:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 07:02:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 07:02:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 07:02:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 07:02:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 07:02:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 07:02:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 07:02:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2023-11-29 07:02:12,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:12,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493455768] [2023-11-29 07:02:12,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493455768] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:12,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:12,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:02:12,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672115271] [2023-11-29 07:02:12,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:12,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:02:12,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:12,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:02:12,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:02:12,873 INFO L87 Difference]: Start difference. First operand 9399 states and 14000 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 07:02:15,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:19,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:23,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:24,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:29,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:33,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:37,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:41,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:50,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:54,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:58,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:03:02,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:03:06,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:03:30,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:03:30,165 INFO L93 Difference]: Finished difference Result 28964 states and 44114 transitions. [2023-11-29 07:03:30,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:03:30,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 236 [2023-11-29 07:03:30,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:03:30,290 INFO L225 Difference]: With dead ends: 28964 [2023-11-29 07:03:30,290 INFO L226 Difference]: Without dead ends: 19612 [2023-11-29 07:03:30,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:03:30,342 INFO L413 NwaCegarLoop]: 981 mSDtfsCounter, 6896 mSDsluCounter, 1866 mSDsCounter, 0 mSdLazyCounter, 11452 mSolverCounterSat, 4832 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7248 SdHoareTripleChecker+Valid, 2847 SdHoareTripleChecker+Invalid, 16295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4832 IncrementalHoareTripleChecker+Valid, 11452 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:03:30,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7248 Valid, 2847 Invalid, 16295 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4832 Valid, 11452 Invalid, 11 Unknown, 0 Unchecked, 76.1s Time] [2023-11-29 07:03:30,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19612 states. [2023-11-29 07:03:31,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19612 to 17933. [2023-11-29 07:03:31,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17933 states, 12029 states have (on average 1.3703549754759332) internal successors, (16484), 12203 states have internal predecessors, (16484), 4672 states have call successors, (4672), 1041 states have call predecessors, (4672), 1231 states have return successors, (5929), 4742 states have call predecessors, (5929), 4663 states have call successors, (5929) [2023-11-29 07:03:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17933 states to 17933 states and 27085 transitions. [2023-11-29 07:03:31,626 INFO L78 Accepts]: Start accepts. Automaton has 17933 states and 27085 transitions. Word has length 236 [2023-11-29 07:03:31,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:03:31,627 INFO L495 AbstractCegarLoop]: Abstraction has 17933 states and 27085 transitions. [2023-11-29 07:03:31,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 07:03:31,628 INFO L276 IsEmpty]: Start isEmpty. Operand 17933 states and 27085 transitions. [2023-11-29 07:03:31,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-11-29 07:03:31,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:03:31,633 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:03:31,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 07:03:31,633 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:03:31,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:31,634 INFO L85 PathProgramCache]: Analyzing trace with hash 162680620, now seen corresponding path program 1 times [2023-11-29 07:03:31,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:31,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958594217] [2023-11-29 07:03:31,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:31,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:03:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:03:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:03:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:03:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 07:03:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 07:03:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:03:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:03:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 07:03:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 07:03:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:32,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 07:03:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 07:03:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 07:03:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 07:03:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 07:03:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 07:03:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 07:03:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 07:03:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 07:03:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 07:03:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 07:03:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 07:03:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-29 07:03:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2023-11-29 07:03:33,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:03:33,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958594217] [2023-11-29 07:03:33,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958594217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:03:33,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:03:33,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:03:33,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293686559] [2023-11-29 07:03:33,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:03:33,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:03:33,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:03:33,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:03:33,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:03:33,135 INFO L87 Difference]: Start difference. First operand 17933 states and 27085 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 07:03:37,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:03:41,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:03:42,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:03:46,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:03:51,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:03:55,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:03:59,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:04:03,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:04:07,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:04:34,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:04:34,699 INFO L93 Difference]: Finished difference Result 56025 states and 85741 transitions. [2023-11-29 07:04:34,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:04:34,699 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 243 [2023-11-29 07:04:34,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:04:34,864 INFO L225 Difference]: With dead ends: 56025 [2023-11-29 07:04:34,865 INFO L226 Difference]: Without dead ends: 38139 [2023-11-29 07:04:34,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:04:34,915 INFO L413 NwaCegarLoop]: 1080 mSDtfsCounter, 8761 mSDsluCounter, 2558 mSDsCounter, 0 mSdLazyCounter, 8973 mSolverCounterSat, 5344 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9129 SdHoareTripleChecker+Valid, 3638 SdHoareTripleChecker+Invalid, 14325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5344 IncrementalHoareTripleChecker+Valid, 8973 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.7s IncrementalHoareTripleChecker+Time [2023-11-29 07:04:34,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9129 Valid, 3638 Invalid, 14325 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5344 Valid, 8973 Invalid, 8 Unknown, 0 Unchecked, 59.7s Time] [2023-11-29 07:04:34,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38139 states. [2023-11-29 07:04:36,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38139 to 34824. [2023-11-29 07:04:36,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34824 states, 23415 states have (on average 1.371129617766389) internal successors, (32105), 23724 states have internal predecessors, (32105), 8983 states have call successors, (8983), 2044 states have call predecessors, (8983), 2425 states have return successors, (11506), 9151 states have call predecessors, (11506), 8974 states have call successors, (11506) [2023-11-29 07:04:36,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34824 states to 34824 states and 52594 transitions. [2023-11-29 07:04:36,807 INFO L78 Accepts]: Start accepts. Automaton has 34824 states and 52594 transitions. Word has length 243 [2023-11-29 07:04:36,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:04:36,807 INFO L495 AbstractCegarLoop]: Abstraction has 34824 states and 52594 transitions. [2023-11-29 07:04:36,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 07:04:36,807 INFO L276 IsEmpty]: Start isEmpty. Operand 34824 states and 52594 transitions. [2023-11-29 07:04:36,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-11-29 07:04:36,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:04:36,812 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:04:36,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 07:04:36,812 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:04:36,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:04:36,813 INFO L85 PathProgramCache]: Analyzing trace with hash -330874416, now seen corresponding path program 1 times [2023-11-29 07:04:36,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:04:36,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138629265] [2023-11-29 07:04:36,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:04:36,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:04:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:04:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:04:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:04:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:04:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:04:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:04:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:04:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:04:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:04:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:04:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:04:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:04:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:04:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:04:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:04:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 07:04:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:04:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:04:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 07:04:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:04:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:04:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:04:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:04:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:04:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:04:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:04:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:04:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 07:04:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:04:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:04:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 07:04:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:04:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:04:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 07:04:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 07:04:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 07:04:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 07:04:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 07:04:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 07:04:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 07:04:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 07:04:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 07:04:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 07:04:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:37,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 07:04:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:38,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 07:04:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:38,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-29 07:04:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:38,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-29 07:04:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:38,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:04:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2023-11-29 07:04:38,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:04:38,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138629265] [2023-11-29 07:04:38,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138629265] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:04:38,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:04:38,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 07:04:38,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126672567] [2023-11-29 07:04:38,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:04:38,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:04:38,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:04:38,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:04:38,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:04:38,082 INFO L87 Difference]: Start difference. First operand 34824 states and 52594 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 07:04:41,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:04:45,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:04:49,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:04:53,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:04:54,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:04:58,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:05:02,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:05:06,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:05:10,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:05:14,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:05:47,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:05:51,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:05:55,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:05:59,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:03,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:07,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:15,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:15,349 INFO L93 Difference]: Finished difference Result 111662 states and 176205 transitions. [2023-11-29 07:06:15,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 07:06:15,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 252 [2023-11-29 07:06:15,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:15,687 INFO L225 Difference]: With dead ends: 111662 [2023-11-29 07:06:15,687 INFO L226 Difference]: Without dead ends: 76885 [2023-11-29 07:06:15,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2023-11-29 07:06:15,807 INFO L413 NwaCegarLoop]: 879 mSDtfsCounter, 9242 mSDsluCounter, 2852 mSDsCounter, 0 mSdLazyCounter, 10684 mSolverCounterSat, 5830 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9562 SdHoareTripleChecker+Valid, 3731 SdHoareTripleChecker+Invalid, 16528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5830 IncrementalHoareTripleChecker+Valid, 10684 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.6s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:15,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9562 Valid, 3731 Invalid, 16528 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5830 Valid, 10684 Invalid, 14 Unknown, 0 Unchecked, 93.6s Time] [2023-11-29 07:06:15,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76885 states. [2023-11-29 07:06:18,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76885 to 69275. [2023-11-29 07:06:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69275 states, 46849 states have (on average 1.3684603726867168) internal successors, (64111), 47559 states have internal predecessors, (64111), 17333 states have call successors, (17333), 4028 states have call predecessors, (17333), 5092 states have return successors, (26124), 17895 states have call predecessors, (26124), 17319 states have call successors, (26124) [2023-11-29 07:06:19,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69275 states to 69275 states and 107568 transitions. [2023-11-29 07:06:19,283 INFO L78 Accepts]: Start accepts. Automaton has 69275 states and 107568 transitions. Word has length 252 [2023-11-29 07:06:19,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:19,283 INFO L495 AbstractCegarLoop]: Abstraction has 69275 states and 107568 transitions. [2023-11-29 07:06:19,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 07:06:19,284 INFO L276 IsEmpty]: Start isEmpty. Operand 69275 states and 107568 transitions. [2023-11-29 07:06:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-29 07:06:19,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:19,287 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:06:19,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 07:06:19,287 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:06:19,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:19,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1669353616, now seen corresponding path program 1 times [2023-11-29 07:06:19,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:06:19,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378317829] [2023-11-29 07:06:19,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:19,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:06:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:19,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:06:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:06:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:06:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:06:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:06:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:06:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:06:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:06:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:06:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:06:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:06:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:06:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:06:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:06:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:06:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 07:06:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:06:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:06:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 07:06:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:06:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:06:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:06:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:06:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:06:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:06:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:06:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:06:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 07:06:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:06:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:06:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 07:06:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:06:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:06:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 07:06:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 07:06:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 07:06:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 07:06:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 07:06:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 07:06:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 07:06:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 07:06:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 07:06:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 07:06:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 07:06:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 07:06:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-29 07:06:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-29 07:06:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:06:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:20,478 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2023-11-29 07:06:20,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:06:20,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378317829] [2023-11-29 07:06:20,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378317829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:06:20,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:06:20,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 07:06:20,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821700970] [2023-11-29 07:06:20,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:06:20,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:06:20,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:06:20,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:06:20,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:06:20,481 INFO L87 Difference]: Start difference. First operand 69275 states and 107568 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 07:06:23,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:27,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:31,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:35,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:39,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:43,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:47,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:51,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:55,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:59,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:07:19,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:19,040 INFO L93 Difference]: Finished difference Result 76518 states and 121407 transitions. [2023-11-29 07:07:19,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 07:07:19,041 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 253 [2023-11-29 07:07:19,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:19,351 INFO L225 Difference]: With dead ends: 76518 [2023-11-29 07:07:19,351 INFO L226 Difference]: Without dead ends: 76515 [2023-11-29 07:07:19,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:07:19,379 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 7162 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 5696 mSolverCounterSat, 5509 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7348 SdHoareTripleChecker+Valid, 2523 SdHoareTripleChecker+Invalid, 11213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5509 IncrementalHoareTripleChecker+Valid, 5696 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.4s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:19,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7348 Valid, 2523 Invalid, 11213 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5509 Valid, 5696 Invalid, 8 Unknown, 0 Unchecked, 55.4s Time] [2023-11-29 07:07:19,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76515 states. [2023-11-29 07:07:22,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76515 to 69274. [2023-11-29 07:07:22,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69274 states, 46849 states have (on average 1.3684390275139278) internal successors, (64110), 47558 states have internal predecessors, (64110), 17332 states have call successors, (17332), 4028 states have call predecessors, (17332), 5092 states have return successors, (26124), 17895 states have call predecessors, (26124), 17319 states have call successors, (26124) [2023-11-29 07:07:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69274 states to 69274 states and 107566 transitions. [2023-11-29 07:07:23,246 INFO L78 Accepts]: Start accepts. Automaton has 69274 states and 107566 transitions. Word has length 253 [2023-11-29 07:07:23,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:23,247 INFO L495 AbstractCegarLoop]: Abstraction has 69274 states and 107566 transitions. [2023-11-29 07:07:23,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 07:07:23,248 INFO L276 IsEmpty]: Start isEmpty. Operand 69274 states and 107566 transitions. [2023-11-29 07:07:23,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-29 07:07:23,254 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:23,254 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:07:23,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 07:07:23,254 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:07:23,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:23,255 INFO L85 PathProgramCache]: Analyzing trace with hash -212530989, now seen corresponding path program 1 times [2023-11-29 07:07:23,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:07:23,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103886118] [2023-11-29 07:07:23,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:23,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:07:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:07:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:07:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:07:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:07:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:07:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:07:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:07:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:07:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:07:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:07:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:07:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:07:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:07:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:07:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:07:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 07:07:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:07:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:07:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 07:07:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:07:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:07:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:07:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:07:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:07:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:07:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:07:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:07:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 07:07:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:07:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:07:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 07:07:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:07:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:07:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 07:07:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 07:07:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 07:07:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 07:07:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 07:07:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 07:07:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 07:07:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 07:07:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 07:07:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 07:07:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 07:07:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 07:07:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-29 07:07:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-29 07:07:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:07:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2023-11-29 07:07:24,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:07:24,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103886118] [2023-11-29 07:07:24,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103886118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:07:24,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:07:24,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 07:07:24,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318687282] [2023-11-29 07:07:24,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:07:24,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:07:24,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:07:24,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:07:24,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:07:24,321 INFO L87 Difference]: Start difference. First operand 69274 states and 107566 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 07:07:28,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:07:32,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:07:35,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:07:38,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:07:43,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:07:47,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:07:51,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:07:55,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:07:59,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:08:23,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:08:23,579 INFO L93 Difference]: Finished difference Result 76517 states and 121405 transitions. [2023-11-29 07:08:23,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 07:08:23,580 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 254 [2023-11-29 07:08:23,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:08:24,015 INFO L225 Difference]: With dead ends: 76517 [2023-11-29 07:08:24,015 INFO L226 Difference]: Without dead ends: 76514 [2023-11-29 07:08:24,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:08:24,040 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 6128 mSDsluCounter, 2184 mSDsCounter, 0 mSdLazyCounter, 7643 mSolverCounterSat, 3853 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6311 SdHoareTripleChecker+Valid, 3061 SdHoareTripleChecker+Invalid, 11503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3853 IncrementalHoareTripleChecker+Valid, 7643 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.9s IncrementalHoareTripleChecker+Time [2023-11-29 07:08:24,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6311 Valid, 3061 Invalid, 11503 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3853 Valid, 7643 Invalid, 7 Unknown, 0 Unchecked, 55.9s Time] [2023-11-29 07:08:24,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76514 states. [2023-11-29 07:08:27,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76514 to 69273. [2023-11-29 07:08:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69273 states, 46849 states have (on average 1.3684176823411385) internal successors, (64109), 47557 states have internal predecessors, (64109), 17331 states have call successors, (17331), 4028 states have call predecessors, (17331), 5092 states have return successors, (26124), 17895 states have call predecessors, (26124), 17319 states have call successors, (26124) [2023-11-29 07:08:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69273 states to 69273 states and 107564 transitions. [2023-11-29 07:08:27,824 INFO L78 Accepts]: Start accepts. Automaton has 69273 states and 107564 transitions. Word has length 254 [2023-11-29 07:08:27,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:08:27,825 INFO L495 AbstractCegarLoop]: Abstraction has 69273 states and 107564 transitions. [2023-11-29 07:08:27,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 07:08:27,825 INFO L276 IsEmpty]: Start isEmpty. Operand 69273 states and 107564 transitions. [2023-11-29 07:08:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-29 07:08:27,828 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:08:27,828 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:08:27,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 07:08:27,829 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:08:27,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:08:27,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1999302355, now seen corresponding path program 1 times [2023-11-29 07:08:27,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:08:27,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83434675] [2023-11-29 07:08:27,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:08:27,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:08:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:08:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:08:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:08:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:08:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:08:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:08:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:08:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:08:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:08:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:08:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:08:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:08:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:08:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:08:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:08:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 07:08:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:08:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:08:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 07:08:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:08:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:08:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:08:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:08:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:08:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:08:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:08:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:08:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 07:08:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:08:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:08:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 07:08:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:08:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:08:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 07:08:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 07:08:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 07:08:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 07:08:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 07:08:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 07:08:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 07:08:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 07:08:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 07:08:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 07:08:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 07:08:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 07:08:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-29 07:08:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-29 07:08:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:08:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2023-11-29 07:08:28,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:08:28,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83434675] [2023-11-29 07:08:28,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83434675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:08:28,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:08:28,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 07:08:28,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712017135] [2023-11-29 07:08:28,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:08:28,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:08:28,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:08:28,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:08:28,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:08:28,677 INFO L87 Difference]: Start difference. First operand 69273 states and 107564 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 07:08:30,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:08:35,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:08:39,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:08:43,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:08:44,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:08:49,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:08:53,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:08:57,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:09:01,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:09:05,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:09:30,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:09:30,374 INFO L93 Difference]: Finished difference Result 76516 states and 121403 transitions. [2023-11-29 07:09:30,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 07:09:30,375 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 255 [2023-11-29 07:09:30,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:09:30,691 INFO L225 Difference]: With dead ends: 76516 [2023-11-29 07:09:30,691 INFO L226 Difference]: Without dead ends: 76513 [2023-11-29 07:09:30,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:09:30,720 INFO L413 NwaCegarLoop]: 873 mSDtfsCounter, 6153 mSDsluCounter, 2180 mSDsCounter, 0 mSdLazyCounter, 7583 mSolverCounterSat, 3878 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6339 SdHoareTripleChecker+Valid, 3053 SdHoareTripleChecker+Invalid, 11469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3878 IncrementalHoareTripleChecker+Valid, 7583 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.8s IncrementalHoareTripleChecker+Time [2023-11-29 07:09:30,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6339 Valid, 3053 Invalid, 11469 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3878 Valid, 7583 Invalid, 8 Unknown, 0 Unchecked, 57.8s Time] [2023-11-29 07:09:30,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76513 states. [2023-11-29 07:09:34,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76513 to 69272. [2023-11-29 07:09:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69272 states, 46849 states have (on average 1.3683963371683494) internal successors, (64108), 47556 states have internal predecessors, (64108), 17330 states have call successors, (17330), 4028 states have call predecessors, (17330), 5092 states have return successors, (26124), 17895 states have call predecessors, (26124), 17319 states have call successors, (26124) [2023-11-29 07:09:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69272 states to 69272 states and 107562 transitions. [2023-11-29 07:09:35,076 INFO L78 Accepts]: Start accepts. Automaton has 69272 states and 107562 transitions. Word has length 255 [2023-11-29 07:09:35,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:09:35,077 INFO L495 AbstractCegarLoop]: Abstraction has 69272 states and 107562 transitions. [2023-11-29 07:09:35,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 07:09:35,077 INFO L276 IsEmpty]: Start isEmpty. Operand 69272 states and 107562 transitions. [2023-11-29 07:09:35,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-29 07:09:35,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:09:35,080 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:09:35,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 07:09:35,081 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:09:35,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:09:35,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1846664150, now seen corresponding path program 1 times [2023-11-29 07:09:35,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:09:35,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631316491] [2023-11-29 07:09:35,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:09:35,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:09:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:09:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:09:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:09:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:09:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:09:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:09:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:09:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:09:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:09:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:09:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:09:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:09:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:09:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:09:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:09:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 07:09:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:09:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:09:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 07:09:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:09:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:09:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:09:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:09:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:09:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:09:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:09:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:09:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 07:09:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:09:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:09:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 07:09:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:09:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:09:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 07:09:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 07:09:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 07:09:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 07:09:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 07:09:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 07:09:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 07:09:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 07:09:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 07:09:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 07:09:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 07:09:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 07:09:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-29 07:09:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-29 07:09:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:09:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:35,981 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2023-11-29 07:09:35,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:09:35,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631316491] [2023-11-29 07:09:35,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631316491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:09:35,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:09:35,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 07:09:35,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498109972] [2023-11-29 07:09:35,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:09:35,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:09:35,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:09:35,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:09:35,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:09:35,984 INFO L87 Difference]: Start difference. First operand 69272 states and 107562 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 07:09:37,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:09:40,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:09:44,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:09:49,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:09:53,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:09:57,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:10:01,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:10:05,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:10:31,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:31,876 INFO L93 Difference]: Finished difference Result 78483 states and 123488 transitions. [2023-11-29 07:10:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 07:10:31,877 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 256 [2023-11-29 07:10:31,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:32,257 INFO L225 Difference]: With dead ends: 78483 [2023-11-29 07:10:32,257 INFO L226 Difference]: Without dead ends: 78453 [2023-11-29 07:10:32,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2023-11-29 07:10:32,316 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 6609 mSDsluCounter, 1655 mSDsCounter, 0 mSdLazyCounter, 7136 mSolverCounterSat, 4680 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6754 SdHoareTripleChecker+Valid, 2527 SdHoareTripleChecker+Invalid, 11821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4680 IncrementalHoareTripleChecker+Valid, 7136 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:10:32,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6754 Valid, 2527 Invalid, 11821 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4680 Valid, 7136 Invalid, 5 Unknown, 0 Unchecked, 51.2s Time] [2023-11-29 07:10:32,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78453 states. [2023-11-29 07:10:36,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78453 to 71132. [2023-11-29 07:10:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71132 states, 47963 states have (on average 1.3635719200216834) internal successors, (65401), 48649 states have internal predecessors, (65401), 17653 states have call successors, (17653), 4467 states have call predecessors, (17653), 5515 states have return successors, (26421), 18223 states have call predecessors, (26421), 17636 states have call successors, (26421) [2023-11-29 07:10:37,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71132 states to 71132 states and 109475 transitions. [2023-11-29 07:10:37,030 INFO L78 Accepts]: Start accepts. Automaton has 71132 states and 109475 transitions. Word has length 256 [2023-11-29 07:10:37,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:37,030 INFO L495 AbstractCegarLoop]: Abstraction has 71132 states and 109475 transitions. [2023-11-29 07:10:37,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 07:10:37,031 INFO L276 IsEmpty]: Start isEmpty. Operand 71132 states and 109475 transitions. [2023-11-29 07:10:37,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-11-29 07:10:37,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:37,041 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:10:37,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 07:10:37,041 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:10:37,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:37,042 INFO L85 PathProgramCache]: Analyzing trace with hash -791664228, now seen corresponding path program 1 times [2023-11-29 07:10:37,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:37,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184627163] [2023-11-29 07:10:37,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:37,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:10:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:10:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:10:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:10:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:10:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:10:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:10:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:10:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:10:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 07:10:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:10:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 07:10:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:10:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:10:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:10:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:10:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:10:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 07:10:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:10:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 07:10:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:10:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 07:10:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 07:10:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 07:10:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 07:10:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 07:10:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 07:10:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 07:10:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 07:10:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 07:10:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 07:10:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 07:10:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 07:10:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 07:10:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:37,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:10:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 07:10:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:10:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 07:10:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:10:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:10:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:10:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 07:10:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:10:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 07:10:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-11-29 07:10:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-11-29 07:10:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2023-11-29 07:10:38,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:38,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184627163] [2023-11-29 07:10:38,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184627163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:38,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:10:38,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 07:10:38,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173116022] [2023-11-29 07:10:38,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:38,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 07:10:38,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:38,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 07:10:38,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 07:10:38,176 INFO L87 Difference]: Start difference. First operand 71132 states and 109475 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (39), 8 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-29 07:10:41,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:10:45,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:10:49,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:10:53,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:10:58,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:11:02,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:11:06,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:11:10,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:11:14,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:11:18,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:11:22,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:11:53,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:11:57,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:01,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:05,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:09,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:13,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:17,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:21,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []